Location:
Omni San Diego Hotel at the Ballpark
675 L St, San Diego, CA 92101
(619) 231-6664

Omni San Diego at the Ballpark is approximately 4 miles from San Diego International Airport (SAN).

Rooms have been reserved under a COST room block for $359++per night. We recommend making room reservations in the COST room block prior to September 1, 2027as they will likely sell out. To make your room reservations please call 619-231-6664.  

Program:
Registration for the Annual Meeting can be done online at any time. The conference will start at 1:00 p.m. on Tuesday, September 21, 2027, and end on Friday, September 24, 2027 at noon.

COST’s Annual Meeting offers sessions for every state tax and government affairs professional with tax responsibilities.  The Meeting has an extensive program covering all of the timely state and local tax issues that business taxpayers are confronted with on a daily basis.  The ever-popular audit sessions and state chamber of commerce roundtables are included providing insight on state tax trends and opportunities.  COST’s Annual Meeting is targeted to all SALT types and levels of experience.

Registration Fees:  

  Before December 31, 2027 Before August 20, 2027 After August 20, 2027
COST Industry Member $1,295 $1,470 $1,670
COST Practitioner Partner $1,795 $1,970 $2,170
Non-COST Industry Member $1,895 $2,070 $2,270
Non-COST Practitioner Partner  $2,595 $2,770 $2,970
Chamber of Commerce  $450 $450 $450
Spouse/Guest $450 $450 $450

Multiple Registrant Discount:  COST Industry Members pay full price for the first two registrants and then each additional registrant from that member company will receive a 10% discount on the registration fee for that meeting.  For more information on multiple registrant discounts, please reach out to Tiffany Frazier.  

Cancellation Fees:
A $50 cancellation fee will be imposed for cancellations received on or before August 21, 2026; cancellations after August 21st will not be refunded.

Your company/firm must be in good standing with COST at time of registration and time of program in order for its employees to attend the 58th Annual Meeting at the member/partner rate.  If you have any questions, including special refund policies, please contact Karen Galdamez, 202.484.5220.

Continuing Education:
COST will assist you in applying for Continuing Education credit for the COST 2027 58th Annual Meeting/Audit Session. COST is registered with the National Association of State Boards of Accountancy (NASBA) as a sponsor of continuing professional education on the National Registry of CPE Sponsors. State boards of accountancy have final authority on the acceptance of individual courses for CPE credit. Complaints regarding registered sponsors may be submitted to the National Registry of CPE Sponsors through its website: www.learningmarket.org. COST will also assist in securing CLE credits with state bar associations. For additional information, please email Karen Galdamez. 

Accessibility & Dietary Accommodations:
We are committed to providing an inclusive and welcoming experience for all attendees. If you have any dietary restrictions, accessibility needs, or require special accommodation to participate in our events, please let us know in advance. Please contact Karen Galdámez or (202) 484-5220, and we will make every reasonable effort to accommodate your needs. 

Weather:
September in San Diego typically brings warm, pleasant weather, with average daytime temperatures in the mid-70s and evenings in the mid-60s. Dress for the conference is business casual. We encourage you to bring a sweater or light jacket to the meeting, as meeting rooms tend to be on the cooler side. A light layer may also be comfortable for mornings, evenings, and outdoor activities.

Permission:
By registering for COST’s conferences, workshops or schools, attendees hereby agree to allow COST to use any photos taken of them during the conference/workshop/school in news media, website, publications, articles, marketing pieces, etc.

For More Information please contact Karen Galdámez.